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drm/panel: rocktech-jh057n00900: use drm_panel backlight support 

Use the backlight support in drm_panel to simplify the driver.
While touching the include files sort them
and divide them up in blocks.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: "Guido Günther" <agx@sigxcpu.org>
Cc: Purism Kernel Team <kernel@puri.sm>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191207140353.23967-18-sam@ravnborg.org
This commit is contained in:
Sam Ravnborg 2019-12-07 15:03:45 +01:00
parent 924735c40e
commit 83d4ed8634
1 changed files with 12 additions and 12 deletions
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24
drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c
View File

@ -5,20 +5,22 @@
* Copyright (C) Purism SPC 2019
*/
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_modes.h>
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#include <linux/backlight.h>
#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/media-bus-format.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/regulator/consumer.h>
#include <video/display_timing.h>
#include <video/mipi_display.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_modes.h>
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#define DRV_NAME "panel-rocktech-jh057n00900"
/* Manufacturer specific Commands send via DSI */
@ -47,7 +49,6 @@ struct jh057n {
struct device *dev;
struct drm_panel panel;
struct gpio_desc *reset_gpio;
struct backlight_device *backlight;
struct regulator *vcc;
struct regulator *iovcc;
bool prepared;
@ -152,7 +153,7 @@ static int jh057n_enable(struct drm_panel *panel)
return ret;
}
return backlight_enable(ctx->backlight);
return 0;
}
static int jh057n_disable(struct drm_panel *panel)
@ -160,7 +161,6 @@ static int jh057n_disable(struct drm_panel *panel)
struct jh057n *ctx = panel_to_jh057n(panel);
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
backlight_disable(ctx->backlight);
return mipi_dsi_dcs_set_display_off(dsi);
}
@ -321,10 +321,6 @@ static int jh057n_probe(struct mipi_dsi_device *dsi)
dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
ctx->backlight = devm_of_find_backlight(dev);
if (IS_ERR(ctx->backlight))
return PTR_ERR(ctx->backlight);
ctx->vcc = devm_regulator_get(dev, "vcc");
if (IS_ERR(ctx->vcc)) {
ret = PTR_ERR(ctx->vcc);
@ -347,6 +343,10 @@ static int jh057n_probe(struct mipi_dsi_device *dsi)
drm_panel_init(&ctx->panel, dev, &jh057n_drm_funcs,
DRM_MODE_CONNECTOR_DSI);
ret = drm_panel_of_backlight(&ctx->panel);
if (ret)
return ret;
drm_panel_add(&ctx->panel);
ret = mipi_dsi_attach(dsi);